(19)

(11)

EP 1 250 566 A1

(12)

(43) Date of publication: 23.10.2002 Bulletin 2002/43 (21) Application number: 00989727.3 (22) Date of filing: 26.10.2000

(51) International Patent Classification (IPC)7: G01C 21/36 (86) International application number: PCT/US0041/619 (87) International publication number: WO 0105/3777 (26.07.2001 Gazette 2001/30)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 19.01.2000 US 487654 (71) Applicant: Magellan Dis, Inc. Rochester Hills, MI 48307 (US)	(72) Inventor: SLOMINSKI, Anthony, Albert Harrison Township, MI 48045 (US) (74) Representative: Shanks, Andrew et al Cruikshank & Fairweather,19 Royal Exchange Square Glasgow G1 3AE Glasgow G1 3AE (GB)